Display screen or portion thereof with a graphical user interface



The patent or application file contains at least one drawing executed incolor. Copies of this patent or patent application publication withcolor drawing(s) will be provided by the Office upon request and paymentof the necessary fee.

The FIGURE is a front view of a display screen or a portion thereof witha graphical user interface.

The outermost broken line showing of a display screen portion and theother broken line showing of elements of the graphical user interfaceillustrate portions of the article and do not form part of the claimeddesign.

CLAIM The ornamental design for a display screen or portion thereof witha graphical user interface, as shown and described.